A geometric figure is dilated by a scale factor of 1.5 with the origin as the center of dilation. Which of the following sentences best describes this dilation? The x- and y-coordinates of every point of the figure is multiplied by 1.5.
Not here.
The y-coordinate of every point of the figure is multiplied by 1.5.
The x-coordinate of every point of the figure is multiplied by 1.5.

Step-by-step explanation:

The x and y points are multiplied by 1.5

See the graph

Notice that if you start with (4,6) and dilate by a scale of 1.5 then the final point is (6,9)

The slope of these two points (if they were on a line should be 1.5

x2 = 6

x1 = 4

y2 = 9

y1 = 6

m = (9 - 6)/(6 - 4)

m = 3 / 2

m = 1.5 which is what it should be.

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step-by-step explanation: